Drawing board



FIG. 1 is a front and top and right perspective view of a drawing board, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front and top and left perspective view thereof.

The broken lines in the drawings depict portions of the drawing board that form no part of the claimed design. 

CLAIM The ornamental design for a drawing board, as shown and described. 